52657513 has 2 divisors, whose sum is σ = 52657514. Its totient is φ = 52657512.

The previous prime is 52657481. The next prime is 52657537. The reversal of 52657513 is 31575625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41951529 + 10705984 = 6477^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 52657513 - 2⁵ = 52657481 is a prime.

It is not a weakly prime, because it can be changed into another prime (52657013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26328756 + 26328757.

It is an arithmetic number, because the mean of its divisors is an integer number (26328757).

Almost surely, 2^52657513 is an apocalyptic number.

It is an amenable number.

52657513 is a deficient number, since it is larger than the sum of its proper divisors (1).

52657513 is an equidigital number, since it uses as much as digits as its factorization.

52657513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 34.

The square root of 52657513 is about 7256.5496622017. The cubic root of 52657513 is about 374.8177200043.

The spelling of 52657513 in words is "fifty-two million, six hundred fifty-seven thousand, five hundred thirteen".